mirror of
https://github.com/RGBCube/serenity
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3f3f45580a
Each of these strings would previously rely on StringView's char const* constructor overload, which would call __builtin_strlen on the string. Since we now have operator ""sv, we can replace these with much simpler versions. This opens the door to being able to remove StringView(char const*). No functional changes.
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/LexicalPath.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/Stream.h>
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#include <LibCpp/Parser.h>
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#include <LibTest/TestCase.h>
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#include <unistd.h>
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constexpr char TESTS_ROOT_DIR[] = "/home/anon/Tests/cpp-tests/parser";
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static String read_all(String const& path)
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{
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auto file = MUST(Core::Stream::File::open(path, Core::Stream::OpenMode::Read));
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auto file_size = MUST(file->size());
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auto content = MUST(ByteBuffer::create_uninitialized(file_size));
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if (!file->read_or_error(content.bytes()))
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VERIFY_NOT_REACHED();
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return String { content.bytes() };
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}
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TEST_CASE(test_regression)
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{
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Core::DirIterator directory_iterator(TESTS_ROOT_DIR, Core::DirIterator::Flags::SkipDots);
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while (directory_iterator.has_next()) {
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auto file_path = directory_iterator.next_full_path();
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auto path = LexicalPath { file_path };
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if (!path.has_extension(".cpp"sv))
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continue;
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outln("Checking {}...", path.basename());
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auto ast_file_path = String::formatted("{}.ast", file_path.substring(0, file_path.length() - sizeof(".cpp") + 1));
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auto source = read_all(file_path);
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auto target_ast = read_all(ast_file_path);
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StringView source_view(source);
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Cpp::Preprocessor preprocessor(file_path, source_view);
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Cpp::Parser parser(preprocessor.process_and_lex(), file_path);
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auto root = parser.parse();
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EXPECT(parser.errors().is_empty());
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int pipefd[2] = {};
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if (pipe(pipefd) < 0) {
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perror("pipe");
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exit(1);
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}
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FILE* input_stream = fdopen(pipefd[0], "r");
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FILE* output_stream = fdopen(pipefd[1], "w");
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root->dump(output_stream);
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fclose(output_stream);
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ByteBuffer buffer;
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while (!feof(input_stream)) {
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char chunk[4096];
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size_t size = fread(chunk, sizeof(char), sizeof(chunk), input_stream);
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if (size == 0)
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break;
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buffer.append(chunk, size);
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}
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fclose(input_stream);
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String content { reinterpret_cast<char const*>(buffer.data()), buffer.size() };
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auto equal = content == target_ast;
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EXPECT(equal);
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}
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}
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